Product Metering Device
US-2018200748-A1 · Jul 19, 2018 · US
Recoater for additive layer manufacture
US10926465B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10926465-B2 |
| Application number | US-201815927268-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 21, 2018 |
| Priority date | Mar 24, 2017 |
| Publication date | Feb 23, 2021 |
| Grant date | Feb 23, 2021 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
An additive layer manufacturing apparatus comprising a doctor blade (57) having a tip (51) which, in use, is arranged proximal to a material layer (59) to be recoated during an additive layer manufacturing method, the doctor blade (57) having a cavity (50) with an inlet and an outlet, the outlet located at the tip (51) and the inlet connectable to an air supply (53) whereby air can be directed through the cavity (50) to the outlet and onto a surface (59a) of the material layer (59).
First claim
Opening claim text (preview).
The invention claimed is: 1. An apparatus comprising a plurality of doctor blades, each of the doctor blades having a tip which, in use, is arranged proximal to a material layer to be recoated during an additive layer manufacturing method, and each of the doctor blades having a cavity with an inlet and an outlet, the outlet located at an outermost end of the respective tip and the inlet connectable to a respective air supply line whereby air can be directed through the cavity to the outlet and onto a surface of the material layer, wherein each of the doctor blades includes the respective supply line comprising a flow control device such that the air supplied to each of the doctor blades is individually controllable, and wherein each of the doctor blades includes a feature downstream of the outlet which is configured to control and/or direct air exiting the outlet. 2. The apparatus of claim 1 further comprising a compressed air supply connected to the respective supply line of each of the doctor blades. 3. The apparatus of claim 1 further comprising a vat for containing a liquid material from which a 3 dimensional product is to be built; and a focusable light source configured to initiate polymerisation of molecules in the liquid material. 4. The apparatus of claim 1 further comprising a container for a powdered material from which a 3 dimensional product is to be built; and a laser or an electron beam emitter for initiating fusion of the powdered material. 5. The apparatus of claim 4 comprising the laser for initiating fusion of the powdered material. 6. The apparatus of claim 4 comprising the electron beam emitter for initiating fusion of the powdered material.
Assignees
Inventors
Classifications
using layers of powder being selectively joined, e.g. by selective laser sintering or melting · CPC title
Apparatus for additive manufacturing; Details thereof or accessories therefor · CPC title
Processes of additive manufacturing · CPC title
characterised by the blades themselves · CPC title
with a blast of gas or vapour · CPC title
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- What does patent US10926465B2 cover?
- An additive layer manufacturing apparatus comprising a doctor blade (57) having a tip (51) which, in use, is arranged proximal to a material layer (59) to be recoated during an additive layer manufacturing method, the doctor blade (57) having a cavity (50) with an inlet and an outlet, the outlet located at the tip (51) and the inlet connectable to an air supply (53) whereby air can be directed …
- Who is the assignee on this patent?
- Rolls Royce Plc
- What technology area does this patent fall under?
- Primary CPC classification B29C64/214. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 23 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).